b503e08384
- Fix #1: Share handler IDOR - enforce owner check on share operations - Fix #2: list_files_query IDOR - bind folder queries to authenticated user - Fix #3: Dedup handler IDOR - restrict dedup operations to file owner - Fix #4: Trash handler OptionalAuthUser - require full AuthUser - Fix #5: Error info leakage - sanitize 500 error responses - Fix #6: Chunked upload IDOR - bind upload sessions to user_id, add verify_session_owner() check on all session operations - Fix #7: CSP unsafe-inline removal - migrate all inline scripts, styles and event handlers to external files, tighten CSP to script-src 'self'; style-src 'self' New files: - static/js/core/theme-init.js (render-blocking theme init) - static/js/core/sw-register.js (service worker registration) - static/css/views/device-verify.css (extracted inline styles) - static/js/views/device-verify/device-verify.js (extracted inline script)